uvm_fault(0xfffffd800b0635b8, 0x98, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff827aa858 cs 8 rflags 10246 cr2 98 cpl 0 rsp ffff80002a2883a0 gsbase 0xffff80002999dff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff827aa858 Starting stack trace... panic(ffffffff834e9f4e) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002a2882f0) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff80003c3eefc0,fffffd806249b7e0,ffff80002a2884d0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff80003c3eefc0,ffff80002a288620,ffff80002a288570) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80002a288620) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a288620) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf86377c8a0, count: 250 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 83 1707290496 EXIT 0 4 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *462857 73914 0 0 0 1 syz-executor 99128 72910 0 0x14000 0x40000200 0 softclock savectx() at savectx+0xae end of kernel end trace frame: 0x7648c0484d10, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}>